Claude Fable 5.1 vs DeepSeek-V4-Flash-Vision-Exp
Claude Fable 5.1 leads the LLM Stats Score 55.7 to 46.0. DeepSeek-V4-Flash-Vision-Exp is 60.6x cheaper per token.
Anthropic · DeepSeek · Updated for 2026
Which is better?
Claude Fable 5.1 leads the overall LLM Stats Score 55.7 to 46.0, ranking #2 overall.
In the 1 individual benchmarks reported for both models, Claude Fable 5.1 wins 1; this is a narrower head-to-head signal than the composite indexes.
On price, DeepSeek-V4-Flash-Vision-Exp is roughly 60.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
DeepSeek-V4-Flash-Vision-Exp also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Claude Fable 5.1
- overall performance matters — it scores 55.7 and ranks #2 on LLM Stats
- your work emphasizes reasoning and agents — it leads those capability indexes
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- you want the most recent training data — it shipped Sep 2026
Choose DeepSeek-V4-Flash-Vision-Exp
- cost matters — it's about 60.6x cheaper per token
- you process long inputs — it offers a 1,048,576 token context window
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
7 reported for Claude Fable 5.1 · 7 for DeepSeek-V4-Flash-Vision-Exp
Claude Fable 5.1 outperforms in 1 benchmarks (AutomationBench), while DeepSeek-V4-Flash-Vision-Exp is better at 0 benchmarks.
Claude Fable 5.1 significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Fable 5.1 ($10.00/1M tokens) is 45.5x more expensive than DeepSeek-V4-Flash-Vision-Exp ($0.22/1M tokens).
For output processing, Claude Fable 5.1 ($50.00/1M tokens) is 75.8x more expensive than DeepSeek-V4-Flash-Vision-Exp ($0.66/1M tokens).
In conclusion, Claude Fable 5.1 is more expensive than DeepSeek-V4-Flash-Vision-Exp.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
DeepSeek-V4-Flash-Vision-Exp accepts 1,048,576 input tokens compared to Claude Fable 5.1's 1,000,000 tokens. DeepSeek-V4-Flash-Vision-Exp can generate longer responses up to 393,216 tokens, while Claude Fable 5.1 is limited to 128,000 tokens.
Input capabilities
Documented input modalities across available providers
Both Claude Fable 5.1 and DeepSeek-V4-Flash-Vision-Exp support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude Fable 5.1
DeepSeek-V4-Flash-Vision-Exp
Release Timeline
When each model was launched
Claude Fable 5.1 was released on 2026-09-01, while DeepSeek-V4-Flash-Vision-Exp was released on 2026-08-21.
Claude Fable 5.1 is 0 month newer than DeepSeek-V4-Flash-Vision-Exp.
Sep 1, 2026
2 weeks ago
1w newerAug 21, 2026
1 months ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude Fable 5.1 is available from Anthropic. DeepSeek-V4-Flash-Vision-Exp is available from DeepSeek, DeepInfra.
Claude Fable 5.1
DeepSeek-V4-Flash-Vision-Exp
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Fable 5.1 and DeepSeek-V4-Flash-Vision-Exp side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Fable 5.1 vs DeepSeek-V4-Flash-Vision-Exp.